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authorDenis Vlasenko2006-11-27 14:44:18 +0000
committerDenis Vlasenko2006-11-27 14:44:18 +0000
commit459903bd4e270ab4884ba9577516f9b2753898b0 (patch)
tree8dd4e8a4db28561fad1dcaeabee936a3aad7187c /coreutils/tail.c
parentd686a045c8134d3a42fa5cc6b2e09118e08d603f (diff)
downloadbusybox-459903bd4e270ab4884ba9577516f9b2753898b0.zip
busybox-459903bd4e270ab4884ba9577516f9b2753898b0.tar.gz
Provide our own isdigit macro. saves more than 400 bytes.
Diffstat (limited to 'coreutils/tail.c')
-rw-r--r--coreutils/tail.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/coreutils/tail.c b/coreutils/tail.c
index 82c0d99..ed5ea14 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -93,7 +93,7 @@ static const char header_fmt[] = "\n==> %s <==\n";
int tail_main(int argc, char **argv)
{
long count = 10;
- unsigned int sleep_period = 1;
+ unsigned sleep_period = 1;
int from_top = 0;
int follow = 0;
int header_threshhold = 1;
@@ -110,10 +110,9 @@ int tail_main(int argc, char **argv)
#if !ENABLE_DEBUG_YANK_SUSv2 || ENABLE_FEATURE_FANCY_TAIL
/* Allow legacy syntax of an initial numeric option without -n. */
- if (argc >=2 && ((argv[1][0] == '+') || ((argv[1][0] == '-')
- /* && (isdigit)(argv[1][1]) */
- && (((unsigned int)(argv[1][1] - '0')) <= 9))))
- {
+ if (argc >= 2 && (argv[1][0] == '+' || argv[1][0] == '-')
+ && isdigit(argv[1][1])
+ ) {
optind = 2;
optarg = argv[1];
goto GET_COUNT;